<template>
  <div>
    <h1>音乐子组件</h1>
    <h1>{{ music }}</h1>
  </div>
</template>
<script>
export default {
  data () {
    return {
      music: '音乐排行'
    }
  },
  methods: {
    sing (song) {
      alert('正在唱' + song)
    }
  }
}
</script>
